Blood Flow In Arteries Flashcards
1
Q
Vasoconstriction
A
Muscles in artery wall contract to reduce artery diameter
Blood flow reduced
2
Q
Vasodilation
A
Muscle fibres in wall of artery relax increasing artery diameter
Increases blood flow
3
Q
Blood Flow In Arteries
A
Wall of artery is made of smooth muscle and elastic fibres
When ventricles relax, blood pumped into arteries
Wall of arteries expand to accommodate for blood
Recoil when ventricles relax
